Harveyizing
哈尔维法钢硬化, 哈尔维法渗碳硬化
🗣️ 情景例句
Do I get a better price if I buy in bulk?
我多买能便宜一点吗？
My wife and I still remember the first day we arrived in Beijing.
我太太和我仍然记得到北京的第一天。
electronic goods and drug manufacturing.
-- 电子产品和药品的生产。